Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex tree » complex three (Expandir a Pesquisa), complex trex (Expandir a Pesquisa), complex trace (Expandir a Pesquisa)
combs anion » combs brandon (Expandir a Pesquisa), combs allison (Expandir a Pesquisa), combs daniel (Expandir a Pesquisa)
nino carlos » cano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), semino carlos (Expandir a Pesquisa)
carlos nino » carlos patino (Expandir a Pesquisa), carlos merino (Expandir a Pesquisa), carlos nunez (Expandir a Pesquisa)
anion net » anion bedt (Expandir a Pesquisa), anion na (Expandir a Pesquisa), anion ni2 (Expandir a Pesquisa)
nacl nino » nacl nano (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa), nacl mno (Expandir a Pesquisa)
tree ngo » tree mango (Expandir a Pesquisa), tree nut (Expandir a Pesquisa), tree age (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
5 metal » 5 methyl (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (( j e combs anion net ) or ((( 5 metal complex tree ngo ) or ( 3.5 nacl nino carlos nino ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs anion net ) OR ((( 5 metal complex tree ngo ) OR ( 3.5 nacl nino carlos nino )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs anion net ) or ((( 5 metal complex tree ngo ) or ( 3.5 nacl nino carlos nino ))))*.